In the mouse DIY you recommend using 1/3" hardware cloth - where can you find this?? I've looked everywhere online and it looks like the only places that do carry it sell it in 100ft lengths only - obviously that's way too much and too expensive

If places no longer sell 10ft rolls of 1/3", is 1/2" okay for mice, or can babies escape? What about 1/4"? It seems to be too small to eat through... But I could be wrong.